Index: src/wp-admin/css/press-this.css
===================================================================
--- src/wp-admin/css/press-this.css	(revision 41234)
+++ src/wp-admin/css/press-this.css	(working copy)
@@ -177,12 +177,6 @@
 	cursor: default;
 }
 
-button::-moz-focus-inner,
-input::-moz-focus-inner {
-	border: 0;
-	padding: 0;
-}
-
 input {
 	line-height: normal;
 }
@@ -499,7 +493,6 @@
 button::-moz-focus-inner,
 input::-moz-focus-inner {
 	border: 0;
-	padding: 0;
 }
 
 [type="text"],
Index: src/wp-includes/css/buttons.css
===================================================================
--- src/wp-includes/css/buttons.css	(revision 41234)
+++ src/wp-includes/css/buttons.css	(working copy)
@@ -64,9 +64,7 @@
 .wp-core-ui input[type="reset"]::-moz-focus-inner,
 .wp-core-ui input[type="button"]::-moz-focus-inner,
 .wp-core-ui input[type="submit"]::-moz-focus-inner {
-	border-width: 0;
-	border-style: none;
-	padding: 0;
+	border: 0;
 }
 
 .wp-core-ui .button.button-large,
Index: src/wp-includes/css/editor.css
===================================================================
--- src/wp-includes/css/editor.css	(revision 41234)
+++ src/wp-includes/css/editor.css	(working copy)
@@ -654,9 +654,7 @@
 
 /* Remove the dotted border on :focus and the extra padding in Firefox */
 .mce-window .mce-btn::-moz-focus-inner {
-	border-width: 0;
-	border-style: none;
-	padding: 0;
+	border: 0;
 }
 
 .mce-window .mce-btn:hover,
Index: src/wp-includes/css/jquery-ui-dialog.css
===================================================================
--- src/wp-includes/css/jquery-ui-dialog.css	(revision 41234)
+++ src/wp-includes/css/jquery-ui-dialog.css	(working copy)
@@ -207,9 +207,7 @@
 
 /* Remove the dotted border on :focus and the extra padding in Firefox */
 .ui-button::-moz-focus-inner {
-	border-width: 0;
-	border-style: none;
-	padding: 0;
+	border: 0;
 }
 
 .ui-button:hover,